SYR to IAD flight delays & on-time performance
Nonstop flights from Syracuse Hancock International Airport to Washington Dulles International Airport · 295 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SYR or IAD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Syracuse (SYR) to Washington (IAD) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.6% were cancelled, and 5% arrived an hour or more late.
- United Airlines was the most punctual airline here (92% on time); Republic Airways was the least (73%).
- Departures scheduled around 6am did best (93% on time); around 7pm did worst (57%).
- Wednesday was the most reliable day to fly (92% on time) and Sunday the least (75%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from SYR to IAD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 92% | 2.6% | 6 min | 2.7% | 38 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 73% | 2.6% | 13 min | 8.1% | 38 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am93%30 flights
- 10am92%24 flights
- 7pm57%22 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday87%0.0% cancelled
- Tuesday86%0.0% cancelled
- Wednesday92%0.0% cancelled
- Thursday83%7.7% cancelled
- Friday77%7.1% cancelled
- Saturday67%0.0% cancelled
- Sunday75%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft49%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Air traffic control & airport congestion50%
- Extreme weather0%
- Security0%
SYR to IAD: common questions
- How often are SYR to IAD flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Syracuse to Washington cancelled?
- 2.6% of scheduled flights were cancelled (2 of 76).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 51 min behind schedule on average, and 5.4% of flights were an hour or more late.
- How long is taxi time at SYR?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAD to SYR — 78% on time
More flights from Syracuse
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SYR → IAD, nonstop flights by US airlines that report to the DOT. How we calculate this.